--- product_id: 49814871 title: "Polly Plastics Rock Tumbler Grit and Polish Refill Media Kit | 4-Steps Supplies for Tumbling and Polishing Stones and Gems | Professionals Adults and Kids | Polish 20lbs of Rocks" brand: "polly plastics" price: "¥16974" currency: JPY in_stock: true category: "Polly Plastics" url: https://www.desertcart.jp/products/49814871-polly-plastics-rock-tumbler-grit-and-polish-refill-media-kit store_origin: JP region: Japan --- # Polishes up to 20 lbs of stones 4-step precision grit system Premium USA-made polishing materials Polly Plastics Rock Tumbler Grit and Polish Refill Media Kit | 4-Steps Supplies for Tumbling and Polishing Stones and Gems | Professionals Adults and Kids | Polish 20lbs of Rocks **Brand:** polly plastics **Price:** ¥16974 **Availability:** ✅ In Stock ## Summary > ✨ Transform Rough Rocks into Gleaming Gems with Ease! 🪨 ## Quick Answers - **What is this?** Polly Plastics Rock Tumbler Grit and Polish Refill Media Kit | 4-Steps Supplies for Tumbling and Polishing Stones and Gems | Professionals Adults and Kids | Polish 20lbs of Rocks by polly plastics - **How much does it cost?** ¥16974 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/49814871-polly-plastics-rock-tumbler-grit-and-polish-refill-media-kit) ## Best For - polly plastics enthusiasts ## Why This Product - Trusted polly plastics brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Massive 20 lbs Capacity:** Polish a mountain of stones in one go—perfect for pros and hobbyists alike. - • **Universal Compatibility:** Works seamlessly with any rock tumbler brand—no guesswork needed. - • **All-in-One 4-Step Grit Kit:** From coarse to ultra-fine, every stage covered for flawless polish. - • **Beginner-Friendly Instructions:** Step-by-step guidance ensures your first polish is a masterpiece. - • **Trusted Quality & Satisfaction:** Top-rated with 4.7 stars and guaranteed to deliver showroom shine. ## Overview The Polly Plastics Rock Tumbler Grit and Polish Refill Media Kit is a comprehensive 4-step polishing system featuring coarse to ultra-fine silicon carbide and aluminum oxide grits. Designed to polish up to 20 pounds of stones and gems, it is compatible with all rock tumbler brands and includes beginner-friendly instructions. Made in the USA, this premium kit is highly rated for delivering professional-quality results every time. ## Description Polly Plastics Rock Tumbler Grit and Polish Refill Media Kit | 4-Steps Supplies for Tumbling and Polishing Stones and Gems | Professionals Adults and Kids | Polish 20lbs of Rocks: desertcart.com: Industrial & Scientific ## Features - COMPLETE ROCK TUMBLING MEDIA KIT - 4-Step grit pack with 3 pounds of total weight. Our universal grit is designed for any rock tumbler. Polish up to 20lbs of rocks. - PACKAGE CONTAINS - 1 lb. 60/90 Coarse Silicon Carbide Grit, 1 lb. 180/220 Medium Silicon Carbide Grit, ½ lb. 500 Fine Silicon Carbide, ½ lb. 1200 Aluminum Oxide Final Polish. - GRIT SOLD BY WEIGHT NEEDED FOR EACH STEP – Steps 1 & 2 are 1 lb. each and Steps 3 & 4 are ½ lb. each but all are sold in the same size jars for packaging consistency. The different weights, along with different densities, will mean that jars will not have equal amounts of fullness. - PREMIUM POLISHING MATERIALS, COMPATIBLE WITH ALL BRAND TUMBLERS - Proven to produce a beautiful polish. Made in the USA. - BEGINNER FRIENDLY - Complete, easy-to-follow instructions included with rock tumbling tips. 100% satisfaction guaranteed. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B075MY9P8Z | | Best Sellers Rank | #5,842 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #5 in Abrasive Finishing Compounds | | Brand Name | Polly Plastics | | Compatible Material | Stone, Gem | | Customer Reviews | 4.7 4.7 out of 5 stars (2,722) | | Grit Material Type | Silicon Carbide, Aluminum Oxide | | Grit Number | 60 | | Grit Type | Coarse, Medium, Fine, Very Fine | | Included Components | Lid | | Item Dimensions | 6.6 x 6.6 x 4.37 inches | | Item Weight | 3.2 pounds | | Manufacturer | Polly Plastics | | Material Type | Full Kit | | Model | 683405246978 | | Number of Items | 4 | | Number of Packs | 4 | | Part Number | 683405246978 | | Set Name | 4 Step Refill | | UPC | 683405246978 | ## Product Details - **Brand:** Polly Plastics - **Grit Material:** Silicon Carbide, Aluminum Oxide - **Grit Type:** Coarse, Medium, Fine, Very Fine - **Item dimensions L x W x H:** 6.6 x 6.6 x 4.37 inches - **Material:** Full Kit ## Images ![Polly Plastics Rock Tumbler Grit and Polish Refill Media Kit | 4-Steps Supplies for Tumbling and Polishing Stones and Gems | Professionals Adults and Kids | Polish 20lbs of Rocks - Image 1](https://m.media-amazon.com/images/I/41oxyZsT0uL.jpg) ![Polly Plastics Rock Tumbler Grit and Polish Refill Media Kit | 4-Steps Supplies for Tumbling and Polishing Stones and Gems | Professionals Adults and Kids | Polish 20lbs of Rocks - Image 2](https://m.media-amazon.com/images/I/51SZLEWFm-L.jpg) ![Polly Plastics Rock Tumbler Grit and Polish Refill Media Kit | 4-Steps Supplies for Tumbling and Polishing Stones and Gems | Professionals Adults and Kids | Polish 20lbs of Rocks - Image 3](https://m.media-amazon.com/images/I/51HaBEBQb-L.jpg) ![Polly Plastics Rock Tumbler Grit and Polish Refill Media Kit | 4-Steps Supplies for Tumbling and Polishing Stones and Gems | Professionals Adults and Kids | Polish 20lbs of Rocks - Image 4](https://m.media-amazon.com/images/I/51t0hpUKd0L.jpg) ![Polly Plastics Rock Tumbler Grit and Polish Refill Media Kit | 4-Steps Supplies for Tumbling and Polishing Stones and Gems | Professionals Adults and Kids | Polish 20lbs of Rocks - Image 5](https://m.media-amazon.com/images/I/51a4448kpCL.jpg) ## Available Options This product comes in different **Color** options. ## Frequently Bought Together - Polly Plastics Rock Tumbler Grit and Polish Refill Media Kit | 4-Steps Supplies for Tumbling and Polishing Stones and Gems | Professionals Adults and Kids | Polish 20lbs of Rocks - 2 LBS Rock Tumbling Ceramic Filler Medi Rock Tumbling Ceramic Filler Media Non- Abrasive Ceramic Pellets for All Type Tumblers 3/16" X 3/8" - 6 LBS Large Weight 4 Step Rock Tumbler Grit Set, Tumbling Media Refill-Coarse / Medium Grit / Pre-Polished / Final Polish, Works with Any Rock Tumbler, Rock Polisher, Stone Polisher --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/49814871-polly-plastics-rock-tumbler-grit-and-polish-refill-media-kit](https://www.desertcart.jp/products/49814871-polly-plastics-rock-tumbler-grit-and-polish-refill-media-kit) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-02*